Cerebral cavernous malformation in a woman presenting with hemichorea: Response to haloperidol

Unilateral chorea linked to cavernous haemangioma involving the putamen improved by surgery

“…There are 16 reported cases of cavernous haemangioma in the basal ganglia and chorea movements contralateral to the lesion,2–17 but we could not obtain enough information about three of these reports 3 10 16. Of the remaining 13 reported cases, nine6–9 12–15 17 (Patients 2–4, 7 and 10–14 in table 1) had a cavernous haemangioma in which the principal locus involved the putamen, and the remaining four2 4 5 11 (Patients 1, 6, 8 and 9 in table 1) had a cavernous haemangioma involving the caudate nucleus and had chorea movements contralateral to the lesion (table 1 and table 2).…”